1197845 has 16 divisors (see below), whose sum is σ = 1624320. Its totient is φ = 840000.

The previous prime is 1197829. The next prime is 1197881. The reversal of 1197845 is 5487911.

It is not a de Polignac number, because 1197845 - 2⁴ = 1197829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220 + ... + 1970.

It is an arithmetic number, because the mean of its divisors is an integer number (101520).

2^1197845 is an apocalyptic number.

It is an amenable number.

1197845 is a deficient number, since it is larger than the sum of its proper divisors (426475).

1197845 is a wasteful number, since it uses less digits than its factorization.

1197845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its digits is 10080, while the sum is 35.

The square root of 1197845 is about 1094.4610545835. The cubic root of 1197845 is about 106.2022068787.

The spelling of 1197845 in words is "one million, one hundred ninety-seven thousand, eight hundred forty-five".